20080972405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1785769}}^1$

素因数の和:1785960

約数の個数: 16

約数和(自身を含む): 26100814320

約数和(自身を除く): 6019841915

約数列:

[1, 5, 13, 65, 173, 865, 2249, 11245, 1785769, 8928845, 23214997, 116074985, 308938037, 1544690185, 4016194481, 20080972405]

約数ペア:

[(1, 20080972405), (5, 4016194481), (13, 1544690185), (65, 308938037), (173, 116074985), (865, 23214997), (2249, 8928845), (11245, 1785769)]